# Pomodoro Study Timer & Tracker vs Just One

The clearest difference is in-app purchases: Just One at none against Pomodoro Study Timer & Tracker's 3. Just One also leads on update cadence (daily vs every 5 days) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Pomodoro Study Timer & Tracker sells 3 in-app purchases, starting at $3.99 per month. Just One asks for nothing beyond the download.

Pomodoro Study Timer & Tracker ships an update every 5 days, Just One daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Pomodoro Study Timer & Tracker | Just One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Size | 43 MB | 18 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Mujaheth Mohammad](https://appshunter.io/developer/1873572607) | [Raving Code](https://appshunter.io/developer/1769017948) |

## What reviewers say

### Pomodoro Study Timer & Tracker

[App page](https://appshunter.io/ios/app/pomodoro-study-timer-and-tracker/id6758550591)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calibrate Plus Monthly | $3.99 | per month |
| Calibrate Plus Yearly | $24.99 | per year |
| Lifetime Access | $29.99 | one-time |


### Just One

[App page](https://appshunter.io/ios/app/just-one-one-task-at-a-time/id6764329092)

**In-app purchases:** none


## Frequently asked questions

### Is Pomodoro Study Timer & Tracker free?

Pomodoro Study Timer & Tracker is free to download, with in-app purchases available.

### Is Just One free?

Just One is free to download, with no in-app purchases.

### Do Pomodoro Study Timer & Tracker or Just One have ads?

Neither Pomodoro Study Timer & Tracker nor Just One shows ads.

### Which is updated more often, Pomodoro Study Timer & Tracker or Just One?

Pomodoro Study Timer & Tracker ships an update every 5 days, and Just One daily. Most recently, Pomodoro Study Timer & Tracker was updated on October 31, 2026 and Just One on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*